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Fix ml path for Windows clang-cl cc toolchain #23337

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Fix ml path for Windows clang-cl cc toolchain #23337

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102ef44
Fix ml path for Windows clang-cl cc toolchain
michaelsiegrist Aug 19, 2024
db91b9b
Test added
michaelsiegrist Aug 21, 2024
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26 changes: 25 additions & 1 deletion src/test/py/bazel/bazel_windows_cpp_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -789,14 +789,38 @@ def testBuildWithClangClByToolchainResolution(self):
'',
'cc_binary(',
' name = "main",',
' srcs = ["main.cc"],',
' srcs = ['
' "main.cc",',
' "inc.asm",', # Test assemble action_config
' "dec.S",', # Test preprocess-assemble action_config
' ],',
')',
])
self.ScratchFile('main.cc', [
'int main() {',
' return 0;',
'}',
])
self.ScratchFile('inc.asm', [
'.code',
'PUBLIC increment',
'increment PROC x:WORD',
' xchg rcx,rax',
' inc rax',
' ret',
'increment EndP',
'END',
])
self.ScratchFile('dec.S', [
'.code',
'PUBLIC decrement',
'decrement PROC x:WORD',
' xchg rcx,rax',
' dec rax',
' ret',
'decrement EndP',
'END',
])
exit_code, _, stderr = self.RunBazel(['build', '-s', '//:main'])
self.AssertExitCode(exit_code, 0, stderr)
self.assertIn('clang-cl.exe', ''.join(stderr))
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3 changes: 2 additions & 1 deletion tools/cpp/windows_cc_configure.bzl
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Original file line number Diff line number Diff line change
Expand Up @@ -794,7 +794,8 @@ def _get_clang_cl_vars(repository_ctx, paths, msvc_vars, target_arch):
"%{clang_cl_cl_path_" + target_arch + "}": clang_cl_path,
"%{clang_cl_link_path_" + target_arch + "}": lld_link_path,
"%{clang_cl_lib_path_" + target_arch + "}": llvm_lib_path,
"%{clang_cl_ml_path_" + target_arch + "}": clang_cl_path,
# clang-cl does not support assembly files as input.
"%{clang_cl_ml_path_" + target_arch + "}": msvc_vars["%{msvc_ml_path_" + target_arch + "}"],
# LLVM's lld-link.exe doesn't support /DEBUG:FASTLINK.
"%{clang_cl_dbg_mode_debug_flag_" + target_arch + "}": "/DEBUG",
"%{clang_cl_fastbuild_mode_debug_flag_" + target_arch + "}": "/DEBUG",
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